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Incident Tracker / United States (federal)

Pizzimenti v. City of Detroit

·United States District Court for the Eastern District of Michigan·US-FEDWarningprovisional

On 2026-03-27, U.S. District Court for the Eastern District of Michigan dismissed the claims and warned that factitious citations in the complaint and motion could be treated as AI-created hallucinations. A self-represented party submitted a complaint with false quotations, fabricated or nonexistent authorities and mischaracterized authorities, including Williams v. City of Cleveland, No. 1:18-CV-2911 and Jensen v. Utah Cnty.

Court
United States District Court for the Eastern District of Michigan
Date
2026-03-27
Who used the AI
Litigant in person
AI tool
Not identified in the record
Conduct
Plaintiff's response brief and complaint contained multiple factitious citations to authorities that did not exist or did not support the proposition offered.
Outcome
Warning
Penalty
No monetary penalty recorded
Regulatory outcome
No separate regulatory disposition recorded
Status
Provisional — written by the court-decisions pipeline, awaiting the editor
Last checked
2026-09-07

Primary sources for this incident

Related regulation records for this incident

No related regulation record has been linked to this incident yet.

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Cite this record

SafeLegalAI Global Legal AI Incident Tracker, “Pizzimenti v. City of Detroit”, safelegalai.com/tracker/pizzimenti-v-city-of-detroit-et-al (accessed 2026-10-07). Data: CC BY 4.0.

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